A body of mass m kg. starts falling from a point 2R above the Earth’s surface. Its kinetic energy when it has fallen to a point ‘R’ above the Earth’s surface [R-Radius of Earth, M-Mass of Earth, G-Gravitational Constant]
A
B
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D
Text Solution
Verified by ExpertsThe correct answer is:
B
Potential energy 
and 
Loss in PE = gain in 
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